configs: Update Meson GX configs

Enable ADC support on the Khadas VIM board.

Signed-off-by: Loic Devulder <ldevulder@suse.de>
Acked-by: Neil Armstrong <narmstrong@baylibre.com>

configs/khadas-vim_defconfig

@@ -13,12 +13,15 @@ CONFIG_OF_BOARD_SETUP=y
 # CONFIG_DISPLAY_BOARDINFO is not set
 # CONFIG_CMD_BDI is not set
 # CONFIG_CMD_IMI is not set
+CONFIG_CMD_ADC=y
 CONFIG_CMD_GPIO=y
 # CONFIG_CMD_LOADS is not set
 CONFIG_CMD_MMC=y
 CONFIG_CMD_USB=y
 # CONFIG_CMD_SETEXPR is not set
 CONFIG_CMD_REGULATOR=y
+CONFIG_ADC=y
+CONFIG_SARADC_MESON=y
 CONFIG_OF_CONTROL=y
 CONFIG_NET_RANDOM_ETHADDR=y
 CONFIG_DM_GPIO=y